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Implicit Theme and RadWindow as the Main Window

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Paul
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Paul asked on 06 Jul 2020, 12:29 PM

I am using the Fluent theme implicitly (noxaml). If I use a standard Window as my main window, it appears correctly and the controls are properly themed.

However, if I change the main window to use RadWindow (and make the appropriate change to override OnStartup in App.xaml), at runtime the window does not appear.

I'm thinking that it may be that the RadWindow is rendering before the styling has been loaded. The RadWindow does render correctly in the designer.

Any thoughts on this?

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Martin Ivanov
Telerik team
answered on 09 Jul 2020, 10:38 AM

Hello Paul,

In this scenario you will also need to create a Style that targets the class that derives RadWindow (usually the MainWindow class) and base it on the RadWindowStyle. This is shown in the last code snippet from the Using RadWindow as User Control article.

For example:

<Style TargetType="local:MainWindow" BasedOn="{StaticResource RadWindowStyle}" />

Regards,
Martin Ivanov
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